JPH0521997Y2 - - Google Patents
Info
- Publication number
- JPH0521997Y2 JPH0521997Y2 JP1986066919U JP6691986U JPH0521997Y2 JP H0521997 Y2 JPH0521997 Y2 JP H0521997Y2 JP 1986066919 U JP1986066919 U JP 1986066919U JP 6691986 U JP6691986 U JP 6691986U JP H0521997 Y2 JPH0521997 Y2 JP H0521997Y2
- Authority
- JP
- Japan
- Prior art keywords
- speed
- circuit
- induction motor
- comparator
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000006698 induction Effects 0.000 claims description 22
- 230000005284 excitation Effects 0.000 claims description 12
- 230000007423 decrease Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Stopping Of Electric Motors (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986066919U JPH0521997Y2 (US06534493-20030318-C00166.png) | 1986-05-06 | 1986-05-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986066919U JPH0521997Y2 (US06534493-20030318-C00166.png) | 1986-05-06 | 1986-05-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62182093U JPS62182093U (US06534493-20030318-C00166.png) | 1987-11-18 |
| JPH0521997Y2 true JPH0521997Y2 (US06534493-20030318-C00166.png) | 1993-06-04 |
Family
ID=30905358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986066919U Expired - Lifetime JPH0521997Y2 (US06534493-20030318-C00166.png) | 1986-05-06 | 1986-05-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0521997Y2 (US06534493-20030318-C00166.png) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4833314A (US06534493-20030318-C00166.png) * | 1971-09-03 | 1973-05-09 | ||
| JPS5063430A (US06534493-20030318-C00166.png) * | 1973-10-08 | 1975-05-29 | ||
| JPS55165877A (en) * | 1979-06-09 | 1980-12-24 | Tokyo Shibaura Electric Co | Device for automatically moving elevator to floor in power failure |
-
1986
- 1986-05-06 JP JP1986066919U patent/JPH0521997Y2/ja not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4833314A (US06534493-20030318-C00166.png) * | 1971-09-03 | 1973-05-09 | ||
| JPS5063430A (US06534493-20030318-C00166.png) * | 1973-10-08 | 1975-05-29 | ||
| JPS55165877A (en) * | 1979-06-09 | 1980-12-24 | Tokyo Shibaura Electric Co | Device for automatically moving elevator to floor in power failure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62182093U (US06534493-20030318-C00166.png) | 1987-11-18 |
